//
//  File.swift
//
//
//  Created by mslm on 06/12/2023.
//

import Foundation
extension String {
    public var ipType: IPType {
        let ipv4Pattern =
        #"^(25[0-5]|2[0-4][0-9]|[0-1]?[0-9][0-9]?)\.((25[0-5]|2[0-4][0-9]|[0-1]?[0-9][0-9]?)\.){2}(25[0-5]|2[0-4][0-9]|[0-1]?[0-9][0-9]?)$"#
        
        let ipv6Pattern =
        #"^(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9])?[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9])?[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9])?[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9])?[0-9]))$"#
        
        if let _ = range(of: ipv4Pattern, options: .regularExpression) {
            return .IPv4
        } else if let _ = range(of: ipv6Pattern, options: .regularExpression) {
            return .IPv6
        } else {
            return .none
        }
    }
}
